


Spot Forecast
Issued by NWS Pendleton, OR
Issued by NWS Pendleton, OR
901 FNUS76 KPDT 171235 FWSPDT Spot Forecast for Starvation Flat...Yakama Agency National Weather Service Pendleton OR 535 AM PDT Fri Oct 17 2025 Forecast is based on ignition time of 0600 PDT on October 17. ***Thunderstorms imply gusty and erratic winds*** ***Winds are 20 foot 10-minute averages*** ***CWR-Chance of wetting rain 0.10 or greater*** ***Ventilation Index is derived from the transport wind multiplied by the mixing height in 100`s of feet. Index categories are a generalized indicator only.*** If you have questions or concerns with this forecast, please contact our office at (541) 276-8134. .DISCUSSION...A weak system moving over the region today will produce strong west winds across the burn area by 9AM and through the early evening. Light winds overnight and tomorrow morning with southwest winds developing into the afternoon. RHs will dip into the mid 30s both days, with a 25-45% chance of RHs dropping into the mid 20s with dry air behind a frontal passage this afternoon. Overnight recovery will be good to excellent. .TODAY... Sky/weather.........Mostly cloudy (65-75 percent) then becoming sunny (10-20 percent). CWR.................0 percent. Chance of lightning.0 percent. Max temperature.....59-62. Min humidity........32-37 percent. Wind (20 ft)........West winds 5 to 10 mph increasing to 10 to 17 mph with gusts up to 25 mph after 9AM. Ridgetop wind.......West winds 7 to 12 mph increasing to 12 to 20 mph with gusts up to 29 mph after 9AM. Mixing height.......2200 ft AGL early in the morning. Transport winds.....West 12 to 21 mph. Ventilation Index...Poor (40) increasing to fair (390) in the afternoon. TIME (PDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM Chc of ltng (%).0 0 0 0 0 0 Temp............38 38 51 57 59 56 RH..............97 99 70 52 37 38 20 ft wind......W 8 W 8 W 13 W 16 W 16 W 14 20 ft wind gust.15 19 22 23 27 22 .TONIGHT... Sky/weather.........Mostly clear (15-25 percent). CWR.................0 percent. Chance of lightning.0 percent. Min temperature.....Around 30. Max humidity........80-85 percent. Wind (20 ft)........West winds 9 to 14 mph decreasing to 5 to 10 mph after 7PM, the shifting to the southwest 3 to 6 mph after 10PM, then becoming light drainage winds after 2AM. Ridgetop wind.......West winds 10 to 17 mph with gusts to around 25 mph decreasing to 5 to 10 mph after 7PM, then becoming variable light winds after 11PM. Mixing height.......500 ft AGL early in the evening. Transport winds.....West 8 to 13 mph shifting to the southwest around 5 mph late in the evening. Ventilation Index...Poor (30). .SATURDAY... Sky/weather.........Mostly sunny (40-50 percent). Chance of rain showers late in the afternoon. CWR.................5 percent. Chance of lightning.0 percent. Max temperature.....Around 60. Min humidity........31-36 percent. Wind (20 ft)........Light drainage winds becoming southwest 4 to 7 mph after 10AM. Ridgetop wind.......Variable light winds becoming southwest winds 5 to 10 mph after 10AM. Mixing height.......1100 ft AGL late in the morning. Transport winds.....Southwest 5 to 10 mph. Ventilation Index...Poor (30) increasing to poor (60) in the afternoon. $$ Forecaster...Lawhorn Requested by...Dan Sims Type of request...PRESCRIBED .TAG 2523507.3/PDT .DELDT 10/17/25 .FormatterVersion 2.0.0 .EMAIL Dan_sims@yakama.com